Aero-engine adapter cable protection structure

Abstract

The utility model discloses an aero-engine adapter cable protection structure, and relates to the aero-engine technology field, the aero-engine adapter cable protection structure comprises a mounting housing and a fixing housing, the fixing housing comprises a fixing sleeve and a limiting sleeve, the fixing sleeve is fixedly connected with the limiting sleeve, the fixing sleeve comprises a heat insulation layer, a buffer layer and a fixing layer; the heat insulation layer is arranged on the innermost layer, the buffer layer is fixedly installed on the outer layer of the heat insulation layer, the fixing layer is arranged on the outer layer of the buffer layer and fixedly connected with the buffer layer, the installation shell comprises an upper connecting pipe and a lower connecting pipe, and the upper connecting pipe is fixedly connected with the lower connecting pipe. The durability and the reliability of the cable are effectively improved, a powerful guarantee is provided for stable operation of an aero-engine, and the problem that in the prior art, an aero-engine adapter cable is prone to being affected by high temperature and oil liquid, and consequently the aero-engine adapter cable is damaged is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of aero-engines, and particularly to a protection structure for an aero-engine adapter cable. Background Technique

[0002] The aero-engine adapter cable is a key part connecting various components of the engine and is responsible for transmitting signals and electricity. However, due to the complex working environment of the aero-engine, the adapter cable is often affected by various factors such as high temperature, vibration, and oil, resulting in its vulnerability to damage and affecting the normal operation of the engine. Therefore, how to effectively protect the adapter cable and improve its service life and reliability is an urgent problem to be solved in the field of aero-engines. Content of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a protection structure for an aero-engine adapter cable, which solves the problem that the aero-engine adapter cable in the prior art is vulnerable to high temperature and oil, resulting in its damage.

[0004] To achieve the above object, the utility model provides a protection structure for an aero-engine adapter cable, which includes an installation housing and a fixing housing. The fixing housing includes a fixing sleeve and a limiting sleeve. The fixing sleeve is fixedly connected to the limiting sleeve. The fixing sleeve includes a heat insulation layer, a buffer layer, and a fixing layer. The heat insulation layer is arranged on the innermost layer. The buffer layer is fixedly installed on the outer layer of the heat insulation layer. The fixing layer is arranged on the outer layer of the buffer layer and is fixedly connected to the buffer layer. The installation housing includes an upper connecting pipe and a lower connecting pipe. The upper connecting pipe is fixedly connected to the lower connecting pipe.

[0005] As a further scheme of the utility model: A pair of limiting blocks are symmetrically arranged on the limiting sleeve, and a second threaded hole is opened on the limiting block.

[0006] As a further scheme of the utility model: The limiting block is arranged at the end of the limiting sleeve and is fixedly connected to the limiting sleeve.

[0007] As a further scheme of the utility model: The heat insulation layer is made of a high heat resistance material.

[0008] As a further scheme of the utility model: The buffer layer is made of an elastic material.

[0009] As a further scheme of the utility model: The fixing layer is made of a material resistant to impact and wear.

[0010] As a further scheme of the utility model: A clamping block is fixedly installed at the end of the lower connecting pipe far from the upper connecting pipe, and the clamping block is matched with the fixing layer.

[0011] As a further solution of the present invention: a connecting seat is fixedly installed on the upper connecting pipe, a first threaded hole is provided on the connecting seat, and a through hole matching the limiting block is provided in the connecting seat.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By setting a fixed outer shell, the fixed sleeve includes an insulation layer, a buffer layer, and a fixed layer; the insulation layer is arranged in the innermost layer, and the insulation layer is made of a high thermal resistance material, such as aerogel or aluminum silicate fiber, which can effectively reduce the thermal impact of the external environment on the cable and ensure the normal operation of the cable. The buffer layer is arranged on the outer layer of the insulation layer, and the buffer layer is fixedly connected to the insulation layer. The buffer layer uses an elastic material, such as rubber or silicone, which can absorb and disperse vibration energy and reduce the impact of vibration on the cable. The fixed layer is arranged on the outer layer of the buffer layer and is fixedly connected to the buffer layer. The fixed layer is made of impact-resistant and wear-resistant materials, such as polyethylene (PE), which can provide additional protection and mechanical strength.

[0014] 2. By setting an installation shell and a fixed shell, setting a connecting seat on the installation shell, setting a limit block on the fixed shell, and fixing the installation block at the end of the installation shell, the installation shell and the fixed shell can be clamped together. Corresponding threaded holes are opened on the connecting seat and the block, and the installation shell and the fixed shell can be fixedly connected by bolts, which facilitates the installation and disassembly of the device.

[0015] 3. By providing multi-layer protection for the adapter cable, the cable's resistance to high temperatures, corrosion, and vibration is effectively improved, extending the cable's service life and enhancing the stability and reliability of the aircraft engine. Furthermore, the protection structure is rationally designed and easy to install, making it suitable for various aircraft engines. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the installation of an aircraft engine adapter cable protection structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of a fixed housing of an aircraft engine adapter cable protection structure according to the present invention;

[0018] Figure 3 The utility model is a cross-sectional view of a fixing sleeve of an aircraft engine adapter cable protection structure.

[0019] In the figure: 1, installation housing; 2, fixing housing; 3, connecting seat; 4, first threaded hole; 5, cable sheath; 6, heat insulation layer; 7, buffer layer; 8, fixing sleeve; 9, limiting sleeve; 10, upper connecting pipe; 11, lower connecting pipe; 12, limiting block; 13, second threaded hole; 14, cable; 15, clamping block; 16, fixing layer. Detailed implementation manner

[0020] The technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] As Figures 1-3 shown, an aero-engine adapter cable protection structure includes an installation housing 1 and a fixing housing 2. The fixing housing 2 includes a fixing sleeve 8 and a limiting sleeve 9. The fixing sleeve 8 and the limiting sleeve 9 are fixedly connected. A pair of limiting blocks 12 are symmetrically arranged on the limiting sleeve 9. A second threaded hole 13 is opened on the limiting block 12. The limiting block 12 is arranged at the end of the limiting sleeve 9 and is fixedly connected to the limiting sleeve 9. The fixing sleeve 8 includes a heat insulation layer 6, a buffer layer 7, and a fixing layer 16. The heat insulation layer 6 is arranged on the innermost layer. The heat insulation layer 6 is made of high heat resistance materials such as aerogel or aluminum silicate fiber, which can effectively reduce the thermal influence of the external environment on the cable and ensure the normal operation of the cable. The buffer layer 7 is arranged on the outer layer of the heat insulation layer 6. The buffer layer 7 is fixedly connected to the heat insulation layer 6. The buffer layer 7 is made of elastic materials such as rubber or silica gel, which can absorb and disperse vibration energy and reduce the impact of vibration on the cable. The fixing layer 16 is arranged on the outer layer of the buffer layer 7 and is fixedly connected to the buffer layer 7. The fixing layer 16 is made of materials with impact resistance and wear resistance such as polyethylene (PE) for providing additional protection and mechanical strength;

[0022] As an implementation manner in this embodiment, the installation housing 1 includes an upper connecting pipe 10 and a lower connecting pipe 11. The upper connecting pipe 10 and the lower connecting pipe 11 are fixedly connected. A clamping block 15 is fixedly installed at the end of the lower connecting pipe 11 away from the upper connecting pipe 10. The clamping block 15 is matched with the fixing layer 16. A connecting seat 3 is fixedly installed on the upper connecting pipe 10. A through hole matched with the limiting block 12 is opened in the connecting seat 3. A first threaded hole 4 is opened on the side of the connecting seat 3. The device further includes a cable sheath 5, which is made of a material resistant to high temperature and corrosion, can effectively prevent the cable from being eroded by chemical substances such as oil, and can provide electrical insulation for the cable 14, prevent electric leakage and prevent the interference of external electric fields. When in use, first fix the cable sheath 5 on the outside of the cable 14, fixedly install the fixing housing 2 on the outside of the cable sheath 5, then insert the installation housing 1 into one end of the cable 14, push the installation housing 1 until the fixing sleeve 8 is clamped with the clamping block 15, and at the same time make the limiting block 12 match with the connecting seat 3, and the first threaded hole 4 correspond to the second threaded hole 13. Fix the first threaded hole 4 and the second threaded hole 13 by bolts, that is, realize the fixed connection between the installation housing 1 and the fixing housing 2, and complete the installation of the device.

[0023] Working principle:

[0024] When in use, first fix the cable sheath 5 on the outside of the cable 14, fixedly install the fixing housing 2 on the outside of the cable sheath 5, then insert the installation housing 1 into one end of the cable 14, push the installation housing 1 until the fixing sleeve 8 is clamped with the clamping block 15, and at the same time make the limiting block 12 match with the connecting seat 3, and the first threaded hole 4 correspond to the second threaded hole 13. Fix the first threaded hole 4 and the second threaded hole 13 by bolts, that is, realize the fixed connection between the installation housing 1 and the fixing housing 2, and the installation of the device can be completed.

[0025] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0026] The above has described a specific embodiment of the present invention in detail, but the content described is only the preferred embodiment of the present invention and cannot be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still fall within the scope covered by the patent of the present invention.

Claims

1. An aeroengine adapter cable protection structure, characterized in that, It includes an installation housing (1) and a fixed housing (2). The fixed housing (2) includes a fixed sleeve (8) and a limit sleeve (9). The fixed sleeve (8) is fixedly connected to the limit sleeve (9). The fixed sleeve (8) includes a heat insulation layer (6), a buffer layer (7), and a fixing layer (16). The heat insulation layer (6) is arranged on the innermost layer. The buffer layer (7) is fixedly installed on the outer layer of the heat insulation layer (6). The fixing layer (16) is arranged on the outer layer of the buffer layer (7) and is fixedly connected to the buffer layer (7). The installation housing (1) includes an upper connecting pipe (10) and a lower connecting pipe (11). The upper connecting pipe (10) is fixedly connected to the lower connecting pipe (11).

2. The protection structure of an aeroengine adapter cable according to claim 1, wherein A pair of limit blocks (12) are symmetrically arranged on the limit sleeve (9). A second threaded hole (13) is opened on the limit block (12).

3. The protection structure of an aero-engine adapter cable according to claim 2, wherein, The limit block (12) is arranged at the end of the limit sleeve (9) and is fixedly connected to the limit sleeve (9).

4. A protection structure for an aero-engine adapter cable according to claim 1, wherein, The heat insulation layer (6) is made of a high thermal resistance material.

5. The protection structure of an aero-engine adapter cable according to claim 1, characterized in that, The buffer layer (7) is made of an elastic material.

6. The protection structure of an aero-engine adapter cable according to claim 1, characterized in that The fixing layer (16) is made of a material resistant to impact and wear.

7. The protection structure of an aero-engine adapter cable according to claim 1, characterized in that A clamping block (15) is fixedly installed at the end of the lower connecting pipe (11) far from the upper connecting pipe (10). The clamping block (15) matches the fixing layer (16).

8. The protection structure of an aero-engine adapter cable according to claim 2, characterized in that, A connecting seat (3) is fixedly installed on the upper connecting pipe (10). A first threaded hole (4) is opened on the connecting seat (3). A through hole matching the limit block (12) is opened in the connecting seat (3).

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